Uba Yellow

Along with Agatean White, one of the most deadly poisonous oil paints known to Man. As well as making art lessons more interesting, problematical, and professionally relevant at the Assassins' Guild school, it has been employed as a suicide threat in Making Money. This bid for ultimate escape was thwarted by Moist von Lipwig, who saw that Owlswick Jenkins was a rank amateur at the business of suicide and who hadn't thought to take the top off the tube first.